P

Inventor

MAKISHIMA HIDEO

JP31 patents
⚠️ This page may combine multiple inventors who share the name “MAKISHIMA HIDEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NEC CORP

21 patents
US5514847AMay 7, 1996

Electron beam radiator with cold cathode integral with focusing grid member and process of fabrication thereof

NEC CORP46 citations96
US5929557AJul 27, 1999

Field-emission cathode capable of forming an electron beam having a high current density and a low ripple

NEC CORP44 citations93
US6028391AFeb 22, 2000

Field emission device having spherically curved electron emission layer and spherically recessed substrate

NEC CORP29 citations92
US5986388ANov 16, 1999

Field-emission cold-cathode electron gun having emitter tips between the top surface of gate electrode and focusing electrode

NEC CORP24 citations92
US5965977AOct 12, 1999

Apparatus and method for light emitting and cold cathode used therefor

NEC CORP42 citations92
US5821679AOct 13, 1998

Electron device employing field-emission cathode

NEC CORP37 citations92
US5648698AJul 15, 1997

Field emission cold cathode element having exposed substrate

NEC CORP20 citations92
US5604401AFeb 18, 1997

Field-emission cold cathode for dual-mode operation useable in a microwave tube

NEC CORP32 citations92
US5550435AAug 27, 1996

Field emission cathode apparatus

NEC CORP28 citations92
US5496199AMar 5, 1996

Electron beam radiator with cold cathode integral with focusing grid member and process of fabrication thereof

NEC CORP22 citations92
US5734223AMar 31, 1998

Field emission cold cathode having micro electrodes of different electron emission characteristics

NEC CORP19 citations83
US6310438B1Oct 30, 2001

Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube device

NEC CORP13 citations81
US6024618AFeb 15, 2000

Method of operating electron tube

NEC CORP10 citations74
US5977719ANov 2, 1999

Field emission cathode type electron gun with individually-controlled cathode segments

NEC CORP12 citations74
US5814931ASep 29, 1998

Cold cathode and cathode ray tube using the cold cathode

NEC CORP16 citations74
US5680011AOct 21, 1997

Cold cathode density-modulated type electron gun and microwave tube using the same

NEC CORP13 citations74
US5635789AJun 3, 1997

Cold cathode

NEC CORP7 citations74
US5559390ASep 24, 1996

Field emission cold cathode element with locally thickened gate electrode layer

NEC CORP9 citations74
US5557160ASep 17, 1996

Field emission cathode including cylindrically shaped resistive connector and method of manufacturing

NEC CORP12 citations74
US5585689ADec 17, 1996

Field-emission cathode having integrated electrical interconnects and electron tube using the same

NEC CORP11 citations73
US5650688AJul 22, 1997

Field emission cold cathode element having exposed substrate

NEC CORP0 citations52

MITSUBISHI PAPER MILLS LTD

6 patents

NEC MICROWAVE TUBE LTD

2 patents

MITSUBISHI CHEM CORP

1 patent

MATSUBISHI PAPER MILLS LTD

1 patent